/// <inheritdoc/>
protected override IConstantExpression Bind(ConstExpressionContext node, IConstant parent)
{
var type = GetExpressionType(node);
var builder = new ConstantExpressionBuilder()
.SetNode(node)
.SetParent(parent)
.SetRawValue(node.value?.Text)
.SetType(type);
return(builder.Build());
}
private InvocationExpressionBuilder MakeRoundingExpression(ExpressionBuilder inner,
ConstantExpressionBuilder decimals,
MemberExpressionBuilder direction)
{
if (direction != null)
{
string roundingFunction;
if (direction.IsEquivalent("BigDecimal.ROUND_UP"))
{
roundingFunction = "Ceiling";
}
else if (direction.IsEquivalent("BigDecimal.ROUND_DOWN"))
{
roundingFunction = "Floor";
}
else
{
throw new NotSupportedException();
}
var invocation = new InvocationExpressionBuilder(roundingFunction);
invocation.Arguments.Add(inner);
invocation.Arguments.Add(decimals);
return(invocation);
}
else
{
var invocation = new InvocationExpressionBuilder("System.Math.Round");
invocation.Arguments.Add(inner);
invocation.Arguments.Add(decimals);
invocation.Arguments.Add(new MemberExpressionBuilder("System", "MidpointRounding", "AwayFromZero"));
return(invocation);
}
}
